export interface TextContent {
    type: "text";
    text: string;
    textSignature?: string;
}
export interface ImageContent {
    type: "image";
    data: string;
    mimeType: string;
}
export interface ToolCall {
    type: "toolCall";
    id: string;
    name: string;
    arguments: Record<string, unknown>;
    thoughtSignature?: string;
}
export interface UserMessage {
    role: "user";
    content: string | (TextContent | ImageContent)[];
    timestamp: number;
}
export interface AssistantMessage {
    role: "assistant";
    content: (TextContent | ToolCall)[];
    api: string;
    provider: string;
    model: string;
    usage: {
        input: number;
        output: number;
        cacheRead: number;
        cacheWrite: number;
        totalTokens: number;
        cost: {
            input: number;
            output: number;
            cacheRead: number;
            cacheWrite: number;
            total: number;
        };
    };
    stopReason: "stop" | "length" | "toolUse" | "error" | "aborted";
    errorMessage?: string;
    timestamp: number;
}
export interface ToolResultMessage {
    role: "toolResult";
    toolCallId: string;
    toolName: string;
    content: (TextContent | ImageContent)[];
    details?: unknown;
    isError: boolean;
    timestamp: number;
}
export type AgentMessage = UserMessage | AssistantMessage | ToolResultMessage;
export interface AgentToolResult<T = unknown> {
    content: (TextContent | ImageContent)[];
    details: T;
}
export interface AgentTool<TParameters = any, TDetails = unknown> {
    name: string;
    description: string;
    parameters: TParameters;
    label?: string;
    execute: (toolCallId: string, params: Record<string, unknown>, signal?: AbortSignal, onUpdate?: (details: TDetails) => void) => Promise<AgentToolResult<TDetails>>;
}
export type OAuthCredentials = {
    refresh: string;
    access: string;
    expires: number;
    [key: string]: unknown;
};